Thermo Products OH6FA072D48N, OH8FA119DV5R, OH8FA119D60R, OH6FA072DV4N, OH6FX072DV4R, OH8FA119DV5B

OH8FA119D60

	ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
	COOLING UNIT		HTG Speed by Input						Recommended CLG Speed
			Low		Mid		High
			Fire		Fire		Fire
	36,000		L/ML		ML/MH		MH/H			Low (L)
	42,000		L/ML		ML/MH		MH/H			Med Low (ML)
	48,000		L/ML		ML/MH		MH/H			Med High (MH)
	60,000		L/ML		ML/MH		MH/H			High (H)
Speed Tap\ Static				Furnace Airflow (CFM) vs. External Static pressure (in. WC.)
	Pressure	0.1		0.2		0.3		0.4		0.5	0.6	0.7
	Low	1254		1254		1251		1246		1221	1189	1126
	ML	1473		1464		1460		1437		1415	1377	1329
	MH	1733		1731		1718		1705		1686	1660	1627
	High	2300		2243		2224		2166		2099	2048	1754

Furnace Motor Current Draw (Amps)/Watts vs. External Static pressure (in. WC.)

Low	6.6/648		6.6/648	6.4/639	6.2/630	6.0/612	5.8/592	5.4/565
ML	7.6/772		7.2/739	7.1/730	6.8/704	6.6/683	6.3/661	6.1/641
MH	9.0/908		9.0/905	8.7/888	8.5/871	8.3/842	8.0/818	7.7/796
High	12.5/1270		11.7/1200	11.2/1150	10.7/1110	10.2/1060	9.7/1020	9.2/969
Speed Tap\ Static		High Fire Temperature Rise vs. External Static pressure (in. WC.)
Pressure	0.1		0.2	0.3	0.4	0.5	0.6	0.7
Low	98		98	98	99	101	103	109
ML	83		84	84	86	87	89	93
MH	71		71	72	72	73	74	76
High	53		55	55	57	59	60	70

Speed Tap\ Static		Mid Fire Temperature Rise vs. External Static pressure (in. WC.)
Pressure	0.1	0.2	0.3	0.4	0.5	0.6	0.7
Low	88	88	88	89	90	93	98
ML	75	75	75	77	78	80	83
MH	64	64	64	65	65	66	68
High	48	49	50	51	52	54	63
Speed Tap\ Static		Low Fire Temperature Rise vs. External Static pressure (in. WC.)
Pressure	0.1	0.2	0.3	0.4	0.5	0.6	0.7
Low	75	75	75	75	77	79	83
ML	64	64	64	65	66	68	70
MH	54	54	55	55	56	56	58
High	41	42	42	43	45	46	53

Figure 19B: Heating speed by input

Speed vs. color code for PSC Motor:

Low = Red

Med-Low = Blue

Med-High = Yellow

High = Black

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